OEM MHL 2.0 Samsung Galaxy S4 64GB Smartphone HDMI to Micro USB Smartphone adapter! No additional power needed with MHL 2.0 certified digital conversion chipset. (Adapter is MHL 1.0 backwards compatible) Quickly output your application, web, presentation, photo or video to large screen HDTV! Connects to your MHL-Enabled Micro-USB port to accept a Direct HDMI cable connection. Operates without or with a power supply if you want to maintain battery's charge, MHL 1.0 phones always require 1Amp power supply. Official MHL 2.0 Enabled MicroUSB speed device certified at 1.4 HDMI speeds (42gbps) Adapter supports Video formats: 720p, 1080i, 1080p, 1440p, 1920p, 2160p, 4K, and 3D! (Phone May Not)